package com.example.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.Contact;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration
@EnableWebMvc
@EnableSwagger2
@ComponentScan("com.example.controller")
public class SwaggerConfig implements WebMvcConfigurer {
    @Bean
    public Docket docket(){
        return new Docket(DocumentationType.SWAGGER_2)// 指定api类型为swagger2
                .apiInfo(apiInfo())         // // 用于定义api文档汇总信息
                .enable(true)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.example.controller"))//指定包名
                .paths(PathSelectors.any())//包下面的所有类
                .build();
    }
    public ApiInfo apiInfo(){
        return new ApiInfoBuilder()
                .title("利用swagger2构建的API文档")
                .description("用restful风格写接口")
                .termsOfServiceUrl("")
                .version("1.0")
                .build();
    }

    /**
     * 发现如果继承了WebMvcConfigurationSupport，则在yml中配置的相关内容会失效。 需要重新指定静态资源
     *
     * @param registry
     */
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        registry.addResourceHandler("/**").addResourceLocations(
                "classpath:/static/");
        registry.addResourceHandler("swagger-ui.html").addResourceLocations(
                "classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations(
                "classpath:/META-INF/resources/webjars/");
        WebMvcConfigurer.super.addResourceHandlers(registry);
    }
}